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4_
4_
For 80+ and 90+ 2-Stage Variable Speed
Downflow
Furnaces
Refer
to the
Installation
Instructions
This
wiring
diagram
shows
connections
and
If any
of the original
wire
as supplied
with the
provided
with
the kit for the
proper
termination
required
for the
blower
kit only.
furnace
must
be replaced,
it must
be replaced
heating
and cooling
speeds
for your
Use in addition
to the wiring
diagram
for the
with
wiring
material
having
a temperature
application,
furnace,
rating
of at least
105 ° C.
Use copper
conductors
only.
LOW
WHITEW/BLKSTRIPES24_S_ _120V
BLK W/WHITE STRIPE
GAS
VALVE
0
[:LAME SENSOR
I@
@
SUPPLY
FLAME
AIR LIMIT
ROLUOUT
WHITE(NEUTRAL)
....
BLACK120V
......
GROUND
_[--_
GREEN
LEGEND:
FIELD
WIRING
....
/
J
LOW VOLTAGE
--
HIGH
VOLTAGE
Diagnostic
Description
Control
Fault (No Power)
L1 / Neutral
Polarity
Fault
1 Hour
Lockout
Normal
Operation
Pressure
Switch
Closed
Fault
Pressure
Switch
Open
Fault
Open
Limit
Switch
Fault
Motor Fault
Diagnostic
Description
Low Flame
Sensor
Signal
Flame
Present
PART OF
MOTOR
FAULT
CONDITIONS
Green
LED
I
Red LED
Off
I
Off
Flash
Flash
Alternating
Flash
On
On
On
Flash
Flash
On
Flash
Off
On
Off
Yellow
LED
Continuous
Flash
On
-9 ....._
O I] I] I]
DHUM
Y!
SEN
GND
L2-OUT
©
MODE
SPEED
FAULT
>_
OPEN
OPEN
DX_
........ _w,o,
B
BB
Iiii
III
i
IFDI_'-- I_ I
I"
_<
>a:
<
m YELLOW
YELLOW m
RED
RED--
BLACK
BLACK_
_WHITE
WHITE
ORA
ORANGE
BLUE_
BLUE
BLUE
BLACK
WHITE
7109190
0409
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